CN215523797U - Waste heat solar complementary power generation system - Google Patents
Waste heat solar complementary power generation system Download PDFInfo
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- CN215523797U CN215523797U CN202121476853.4U CN202121476853U CN215523797U CN 215523797 U CN215523797 U CN 215523797U CN 202121476853 U CN202121476853 U CN 202121476853U CN 215523797 U CN215523797 U CN 215523797U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
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Abstract
A waste heat solar complementary power generation system belongs to the technical field of environmental protection power generation. The utility model aims at the problem that low-temperature waste heat in various industries cannot be effectively utilized to cause energy waste. The method comprises the following steps: the heat collector is connected with a solar system circulating pump through a heat energy output pipeline and is sequentially connected with a heat energy input end of the heater, and a heat energy output end of the heater is connected with an input end of the heat collector through a heat energy input pipeline; the waste heat input end of the heater is connected with the waste heat inlet, the waste heat output end of the heater is connected with the waste heat input end of the superheater, the waste heat output end of the superheater is connected with the waste heat input end of the evaporator, and the waste heat output end of the evaporator is connected with the waste heat outlet; the working medium input end of the condenser is connected with the working medium output end of the turbine, the working medium output end of the condenser is connected with the working medium input end of the evaporator through the working medium pump, the working medium output end of the evaporator is connected with the superheater, the superheater is connected with the turbine, and the turbine is used for driving the motor. The utility model can realize the reutilization of the waste heat.
Description
Technical Field
The utility model relates to a waste heat solar complementary power generation system, and belongs to the technical field of environment-friendly power generation.
Background
A large amount of waste heat is wasted in various industries such as metallurgy, pharmacy, chemical industry and the like, and particularly, the waste heat with low temperature is difficult to utilize. The heat in the low-temperature waste heat is effectively utilized, so that the energy waste can be effectively reduced, and good economic benefits are generated.
Therefore, it is necessary to provide a system for effectively utilizing low-temperature waste heat to improve heat utilization efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waste heat solar complementary power generation system, aiming at the problem that low-temperature waste heat in various industries cannot be effectively utilized to cause energy waste.
The utility model relates to a waste heat and solar energy complementary power generation system, which comprises a heat collector, a solar energy system circulating pump, a heater, a superheater, an evaporator, a working medium pump, a condenser, a motor and a turbine,
the output end of the heat collector is connected with the input end of a solar system circulating pump through a heat energy output pipeline, the output end of the solar system circulating pump is connected with the heat energy input end of the heater, and the heat energy output end of the heater is connected with the input end of the heat collector through a heat energy input pipeline;
the waste heat input end of the heater is connected with the waste heat inlet, the waste heat output end of the heater is connected with the waste heat input end of the superheater, the waste heat output end of the superheater is connected with the waste heat input end of the evaporator, and the waste heat output end of the evaporator is connected with the waste heat outlet;
the condenser is provided with a cold source inlet and a cold source outlet; the working medium input end of the condenser is connected with the working medium output end of the turbine, the working medium output end of the condenser is connected with the working medium input end of the evaporator through the working medium pump, the working medium output end of the evaporator is connected with the working medium input end of the superheater, the working medium output end of the superheater is connected with the working medium input end of the turbine, and the energy output end of the turbine is connected with the energy input end of the motor.
The waste heat solar complementary power generation system further comprises a heat storage tank, wherein a heat energy input end of the heat storage tank is communicated with a heat energy output pipeline through a first branch, and a regulating valve is arranged on the first branch; the heat energy output end of the heat storage tank is communicated with the heat energy input pipeline through a second branch.
The waste heat solar complementary power generation system further comprises a first stop valve, a second stop valve, a third stop valve, a fourth stop valve and a fifth stop valve,
a first stop valve is arranged between the regulating valve on the first branch and the heat energy output pipeline;
a third branch is arranged, one end of the third branch is communicated between the regulating valve and the first stop valve, and the other end of the third branch is communicated with the heat energy input pipeline; a fourth stop valve is arranged on the third branch; a fifth stop valve is arranged on a section between the fourth stop valve and the input end of the heat collector on the heat energy input pipeline;
a third stop valve is arranged on the second branch and is positioned at the outlet side of the second branch;
the inlet side of the second branch is communicated with the input end of the solar system circulating pump through a fourth branch, and a second stop valve is arranged on the fourth branch.
The utility model has the beneficial effects that: the solar energy heat collector is adopted to provide additional heat supplement, low-temperature waste heat is heated, and the effective utilization of the low-temperature waste heat is realized, so that the heat utilization efficiency of the waste heat in various industries can be improved.
The solar energy heat storage system is further provided with the heat storage tank, the defect that solar energy cannot provide heat at night is overcome by using the heat storage tank, and stable power output of the system is realized.
Drawings
Fig. 1 is a schematic structural diagram of the waste heat solar complementary power generation system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The utility model is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
First embodiment, as shown in fig. 1, the utility model provides a waste heat and solar energy complementary power generation system, which comprises a heat collector 1, a solar energy system circulating pump 5, a heater 6, a superheater 11, an evaporator 12, a working medium pump 13, a condenser 14, a motor 15 and a turbine 16,
the output end of the heat collector 1 is connected with the input end of a solar system circulating pump 5 through a heat energy output pipeline 21, the output end of the solar system circulating pump 5 is connected with the heat energy input end of a heater 6, and the heat energy output end of the heater 6 is connected with the input end of the heat collector 1 through a heat energy input pipeline 22;
the waste heat input end of the heater 6 is connected with the waste heat inlet, the waste heat output end of the heater 6 is connected with the waste heat input end of the superheater 11, the waste heat output end of the superheater 11 is connected with the waste heat input end of the evaporator 12, and the waste heat output end of the evaporator 12 is connected with the waste heat outlet;
the condenser 14 is provided with a cold source inlet and a cold source outlet; the working medium input end of the condenser 14 is connected with the working medium output end of the turbine 16, the working medium output end of the condenser 14 is connected with the working medium input end of the evaporator 12 through the working medium pump 13, the working medium output end of the evaporator 12 is connected with the working medium input end of the superheater 11, the working medium output end of the superheater 11 is connected with the working medium input end of the turbine 16, and the energy output end of the turbine 16 is connected with the energy input end of the motor 15.
The present embodiment uses the heat collector 1 to collect heat energy in solar light. The system comprises 4 circulation loops, namely an electric solar energy circulation loop, a waste heat circulation loop, an organic working medium circulation loop and a condensation circulation loop.
The waste heat medium is heated by the waste heat heater 6, and the heated waste heat medium exchanges heat with the working medium circulating working medium through the superheater 11 and the evaporator 12 to provide heat for working medium circulation.
And (3) working medium circulation: the organic working medium is heated by the waste heat medium in the evaporator 12 into saturated steam, then is heated into superheated steam through the superheater 11 (the degree of superheat is about 4-8 ℃), and then the superheated steam enters the turbine 16 to start acting to drive the generator 15 to generate electricity. The working medium steam after acting enters the condenser 14 to be condensed into liquid with a certain supercooling degree, then is input into the preheater to be heated through the working medium pump 13, and the heated working medium continuously enters the evaporator 12 to be heated, so that a system cycle is completed.
The embodiment is suitable for use when the sunlight is sufficient.
Further, as shown in fig. 1, the present embodiment further includes a heat storage tank 2, a heat energy input end of the heat storage tank 2 is communicated with the heat energy output pipeline 21 through a first branch 31, and the first branch 31 is provided with an adjusting valve 3; the heat energy output end of the heat storage tank 2 is communicated with the heat energy input pipeline 22 through a second branch 32.
This embodiment can be used for storage of surplus thermal energy. When sunlight exists, working media in the heating circulation system can be directly heated through the output of the heat collector 1, and the working media in the system circularly provide heat for a heat source through the waste heat heater 6 so as to heat a waste heat medium; when sunlight does not exist, the heat storage tank 2 is used for storing residual heat, and heat can be circularly provided for the heat source through the waste heat heater 6 after the heat of the heat storage tank 2 is output so as to heat a waste heat medium.
Further, as shown in fig. 1, the present embodiment further includes a first stop valve 4, a second stop valve 7, a third stop valve 8, a fourth stop valve 9, and a fifth stop valve 10,
a first stop valve 4 is arranged between the regulating valve 3 and the heat energy output pipeline 21 on the first branch 31;
a third branch 33 is arranged, one end of the third branch 33 is communicated between the regulating valve 3 and the first stop valve 4, and the other end is communicated with the heat energy input pipeline 22; a fourth stop valve 9 is arranged on the third branch 33; a fifth stop valve 10 is arranged on a section of the heat energy input pipeline 22 between the fourth stop valve 9 and the input end of the heat collector 1;
a third stop valve 8 is arranged on the second branch 32, and the third stop valve 8 is positioned on the outlet side of the second branch 32;
the inlet side of the second branch 32 is communicated with the input end of the solar energy system circulating pump 5 through a fourth branch 34, and a second stop valve 7 is arranged on the fourth branch 34.
The operation of the present invention is further illustrated below:
when the device is operated in the daytime: first stop valve 4, third stop valve 8, fifth stop valve 10 are opened, second stop valve 7 and fourth stop valve 9 are closed, working medium passes through heat collector 1 in the light and heat system and is heated, light and heat system working medium passes through waste heat heater 6 and heats the waste heat working medium, when sunshine is strong, adjust the light and heat system medium storage to heat storage tank 2 after governing valve 3 will unnecessary heating, former low temperature medium is extruded in heat storage tank 2 simultaneously, realize the storage to heat when having sunshine.
When the vehicle runs at night: the first stop valve 4, the third stop valve 8 and the fifth stop valve 10 are closed, the second stop valve 7 and the fourth stop valve 9 are opened, a high-temperature photo-thermal system medium stored in the heat storage tank 2 enters a photo-thermal system for circulation, and a waste heat working medium is continuously heated through the waste heat heater 6, so that night heat supply of the system is realized.
When the system operates, a waste heat working medium is heated by a waste heat heater 6, enters a superheater 11 and an evaporator 12 to exchange heat with a working medium in working medium circulation, finally flows to a heat source outlet, the working medium enters a turbine 16 to start acting after being heated, the working medium after acting enters a condenser 14 to be condensed into liquid, and then is pumped back to the evaporator 12 by a working medium pump 13 to complete acting circulation.
The working principle is as follows: under the condition of solar irradiation, the solar energy supplies heat for the waste heat working medium, and part of heat can be stored for use at night; the heat in the energy storage tank 2 is used for providing heat supplement for the waste heat working medium at night, so that the waste heat utilization in all days can be realized, the power generation is carried out, and the stable power output is ensured.
Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (3)
1. A waste heat and solar energy complementary power generation system is characterized by comprising a heat collector (1), a solar energy system circulating pump (5), a heater (6), a superheater (11), an evaporator (12), a working medium pump (13), a condenser (14), a motor (15) and a turbine (16),
the output end of the heat collector (1) is connected with the input end of a solar system circulating pump (5) through a heat energy output pipeline (21), the output end of the solar system circulating pump (5) is connected with the heat energy input end of the heater (6), and the heat energy output end of the heater (6) is connected with the input end of the heat collector (1) through a heat energy input pipeline (22);
the waste heat input end of the heater (6) is connected with the waste heat inlet, the waste heat output end of the heater (6) is connected with the waste heat input end of the superheater (11), the waste heat output end of the superheater (11) is connected with the waste heat input end of the evaporator (12), and the waste heat output end of the evaporator (12) is connected with the waste heat outlet;
the condenser (14) is provided with a cold source inlet and a cold source outlet; the working medium input end of the condenser (14) is connected with the working medium output end of the turbine (16), the working medium output end of the condenser (14) is connected with the working medium input end of the evaporator (12) through the working medium pump (13), the working medium output end of the evaporator (12) is connected with the working medium input end of the superheater (11), the working medium output end of the superheater (11) is connected with the working medium input end of the turbine (16), and the energy output end of the turbine (16) is connected with the energy input end of the motor (15).
2. The complementary solar power generation system based on waste heat according to claim 1, further comprising a heat storage tank (2), wherein a heat energy input end of the heat storage tank (2) is communicated with a heat energy output pipeline (21) through a first branch (31), and the first branch (31) is provided with a regulating valve (3); the heat energy output end of the heat storage tank (2) is communicated with the heat energy input pipeline (22) through a second branch (32).
3. The complementary solar power system according to claim 1 or 2, further comprising a first shut-off valve (4), a second shut-off valve (7), a third shut-off valve (8), a fourth shut-off valve (9) and a fifth shut-off valve (10),
a first stop valve (4) is arranged between the regulating valve (3) and the heat energy output pipeline (21) on the first branch (31);
a third branch (33) is arranged, one end of the third branch (33) is communicated between the regulating valve (3) and the first stop valve (4), and the other end of the third branch (33) is communicated with the heat energy input pipeline (22); a fourth stop valve (9) is arranged on the third branch (33); a fifth stop valve (10) is arranged on a section of the heat energy input pipeline (22) between the fourth stop valve (9) and the input end of the heat collector (1);
a third stop valve (8) is arranged on the second branch (32), and the third stop valve (8) is positioned on the outlet side of the second branch (32);
the inlet side of the second branch (32) is communicated with the input end of the solar system circulating pump (5) through a fourth branch (34), and a second stop valve (7) is arranged on the fourth branch (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121476853.4U CN215523797U (en) | 2021-06-29 | 2021-06-29 | Waste heat solar complementary power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121476853.4U CN215523797U (en) | 2021-06-29 | 2021-06-29 | Waste heat solar complementary power generation system |
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| Publication Number | Publication Date |
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| CN215523797U true CN215523797U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121476853.4U Active CN215523797U (en) | 2021-06-29 | 2021-06-29 | Waste heat solar complementary power generation system |
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2021
- 2021-06-29 CN CN202121476853.4U patent/CN215523797U/en active Active
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